Noira vs. Adobe Acrobat Sign: Encryption vs. Key Management
Adobe Acrobat Sign uses AES-256 encryption with HSM-protected keys — but Adobe holds those keys. Noira's threshold cryptography model means no single party can decrypt.
Can Adobe read my documents?
Yes. Adobe Acrobat Sign uses the standard server-side model where Adobe holds the HSM-protected keys, so it can technically access document contents.
AES-256 with HSM-protected keys is strong encryption, but key custody still rests with Adobe, so confidentiality depends on trusting Adobe not to access contents. The encryption protects data at rest and in transit, but it does not cryptographically prevent the key holder from decrypting.
How does Adobe Acrobat Sign pricing compare?
Adobe Acrobat Sign is sold per user, with individual plans roughly in the $15 to $30 per user per month range and enterprise pricing by custom quote.
The verified individual range is $15–$30 per user per month, and enterprise contracts are custom-priced. Noira takes a different shape: sign in with Internet Identity, with no per-seat SaaS tier to scale.
How the plans line up
Adobe Acrobat Sign is sold per user with custom enterprise pricing; Noira uses Internet Identity sign-in with no per-seat SaaS tier.
Adobe Acrobat Sign's individual plans sit roughly in the $15–$30 per user per month range, with enterprise pricing by custom quote. Noira anchors agreements on the Internet Computer Protocol and signs users in with Internet Identity, so there is no per-seat SaaS tier to scale.
| Attribute | Adobe Acrobat Sign | Noira |
|---|---|---|
| Encryption model | AES-256 at rest, HSM-protected keys, Adobe-held | Client-side in-browser, threshold cryptography, no party holds a usable key |
| Pricing structure | ~$15–$30 per user/mo, enterprise custom | Sign-in with Internet Identity, no per-seat SaaS tier |
| On-chain status | Off-chain, Adobe-hosted | Agreements anchored on the Internet Computer Protocol |
| Compliance certs | SOC 2, HIPAA, FedRAMP-tailored and other third-party attestations | Cryptographic privacy by construction, formal compliance program not yet complete |
Frequently asked questions
Yes. Adobe Acrobat Sign uses the standard server-side model where Adobe holds the HSM-protected keys, so it can technically access document contents. AES-256 with HSM-protected keys is strong encryption, but key custody still rests with Adobe, so confidentiality depends on trusting Adobe not to access contents.
Adobe Acrobat Sign is sold per user, with individual plans roughly in the $15 to $30 per user per month range and enterprise pricing by custom quote. Noira uses Internet Identity sign-in with no per-seat SaaS tier.
Noira encrypts documents client-side in the browser using VetKeys threshold cryptography on the Internet Computer Protocol. No single party — including Noira — holds a usable key, so no one can unilaterally decrypt.
Adobe Acrobat Sign is off-chain and Adobe-hosted. Noira anchors agreements on the Internet Computer Protocol, so the integrity of signed agreements is verifiable on a public blockchain rather than on Adobe's infrastructure.
Adobe Acrobat Sign carries SOC 2, HIPAA, FedRAMP-tailored and other third-party attestations. Noira's privacy is cryptographic by construction, but its formal compliance program is not yet complete — the differentiator is key custody, not feature parity.
Where Adobe Acrobat Sign is still ahead
Adobe Acrobat Sign carries extensive third-party certifications — SOC 2, HIPAA, FedRAMP-tailored and other attestations — and a long enterprise track record that Noira does not yet match. Noira's differentiator is architectural, not feature parity: the threshold-cryptography model removes a class of access risk that key-custodian architectures cannot. We do not overclaim Noira's current stage — the comparison above is about how each system is built, not about which one has shipped more enterprise rollouts today.
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Open the app, sign in with Internet Identity, and create a contract that Noira itself cannot read.
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